Gauge for sewing machines



Nqv123,1926. f 1,608,116 l H. B. OLSON GAUGE Fon SEWING MACHINES FiledJune 24. 1925 from vview diiriii"`a q Aihiie the thread were ,neeessaryles Patented Nov. 23, 192.6.

-YUNITEQ STAES ,11,608,1ie i Param certes.

HENRY B'. OLSON, OF ROCKFORD, ILLNOIS.

GAUGE FOR SEVING MACHINES. l

Application filed .Tune 24, 1925. eral No. 39,225.

My invention relates to gauges for sewing machines, and` more especiallyto a gauge for attachment to machines for sewing harness, such as horsecollars, belts or other rear edge or back of the collar with awhipping-up stitch at a narrow space or marginr from the near edge, andat the front at a similar margin from the front edge of the body. Therim isr then sewed to the body by means of a leather thong making a pop7stitch, as by machines well known in the art as thong sewing machines asshown, for example, in the patent to Gnoeth, 1,193,460 dated August l,1916.

rlhe sewing or stitching at the front is known as a middle seam owing tothe niiddle seaming lof the rim vof the collar to the body by means of athong, for which the thread stitching serves as a guide within which theawl punches and the thonging is done in the middle seaining operation onthe machines referred to. seaming with a thong has been either done byhand where the collars or plies are thick, such as Aat the throatportion, with slow production, or it has been difficult to keep withinthe thread seam so as not to overrun it and atthe same time maintain auniform and proper even overlap between the body and the rim over thebody of the collar. The machines could not accommodate lthe thickness atthe throat portion owing .to the .presserffoot Vand awl carrier movingtooclose to the bed plate or table, and it has been impracticalif notimpossible to Asew the rim'to thebody of a horsecollar with- .out thepreliminary stitching because there was no means of guiding the'edges orguaging the overlap` of the rim and body,` Vespecially since the rimfits over the body and concealsy or precludes the edges of the body thesewing operation.

Such middley a guide to the overlap and thong stitching.

The present invention is designed in connection with the machine togauge the overlap and render the preliminary thread stitchingunnecessary by maintaining the proper and uniform overlap of the rimwith respect to Ithe body, thus making it possible to sew the rimdirectly and in the first instance'to the body with a thong and withproper overlap of the rim on the body. This Veliminates the threadstitching operation and cost thereof and .permits the collars to besewed more quickly and economically, so that cost of manufactureisgreatly reduced and production increased from seven to ten `fold Y Theinvention further comprehends and has for its object., the provision ofa gauge, especially for thong sewing machines for Vhorse collars, whichcomprises a simple and novel structure capable of convenient, practifal,and economical manufacture, and application easilyto they work tables ofsewing machines, especially of'. thetype referred to. Furthermore, thegauge will readily accom iiiodate the parts, such as collar'body andrim, to be sewcd together and effectively and evenly guides the edges ofthe parts up to a maximum thickness. It also prevents too 'little orexcessive overlap as will be hereinafter-more fully set forth.

rIhe invention further consists of certain novel combinations andarrangements of parts to be hereinafter morefully described.

Other objects and attendant advantages will be appreciated by thoseskilled in this art as the invention becomes better understood byreference to thecfollowing description when considered in connectionwith the accompanying drawings, in which- Figure l, is a fragmentaryside or front elevation illustrating a type of sewing machine to whichthe invention may be apv, plied .especially Figli, thereis shown aconvenstith sewing `machine of which li ne l n fired to the drive shaftsuitably journaled in the frame. C represents the upper and lowertake-up mechanism` including semicircular 'thong guides with thongdrawing or take-up arms D rotatably mounted on the guides (l, and Edesignates the upper and lower needle bars adapted to grip the needle Fcarrying the thong (i. The arms D are differentially rotated intherusual or any preferred manner and have the usual thong grippers,while the needle bars are rec'iprocated in timed relation thereto. Theawl H, carried by the reciprocating awl bar or carrier I, is actuated bysuitable mechanism, to produce the stitch in the work lV movable on thetable T beneath the presserV foot P.

The table T has a shield S, so that the top 10 of the table fo 1ms withthe top 11 of the shield S, a shoulder 12l and a circular part 13therebeneath adapted for housing the lower take-up mechanism, togetherwith mechanism which grips the needle or leader by which the stitchingby means of the thong is carried on. The presser foot P has the awl baror carrier mounted at one side thereof and beveled as at l/l and 15,t-he cutaway corners preventing the carrier pushing the work, especiallyhorse collars, out of position and accommodating very thick work,especially the throat portions of heavy collars, without interferencewith the sewing operation.

The gauge consists of a plate 15 detachably secured at 17 to theinclined face 18 of the table or bed of the machine, and has a portionof its upper edge directed horizontally at 19 over the table leaving thecorner 2O recessed. A plate or sliding section 21 is slidably mounted onthe plate 16 having slots 22 receiving screws 23 which are secured tothe plate 16 and have large heads straddling the slots, to permit freesliding movement of the plate 21. The latter is normally held upward bya spring 24 having its upper end anchored to the plate 16 and its lowerend connected to the lower end of plate 21 or an extension thereof, asshown. The upper end of the plate 21 has an overhang-ing part or arm 25directed inwardly at right angles laterally over the table top 10, withan upturned end 26 and a forwardly and downwardly curved plate or guard27 at thD front, formed integral therewith or secured thereto.

Thong sewing or stitching has heretofore been carried on with muchditliculty, especially in sewing the rim of a horse `collar to the bodythereof. It is customary to stitch around the plies of the body,designated at 28 in the drawings, to sew them together and then tostitch the edges of the rim 29 over the body portion in order that theparts will be held in proper alignment for stitching the same togetherwith a thong. In doing this, an awl 30 is brought downward to providethe necessary hole for receiving the needle or leader an-d thonganchored thereto. Difiiculty has beenV experienced in getting andkeeping the proper overlap. The novel gauge overcomes this objection,since with it, the part 25 is spaced above the table and accommodatesthe lower fold of the rim 29 therebeneath. rllhe edge of the lower foldengages the edge of the horizontal gauge portion 19 as indicated at 31,and the plies of the body rest upon the horizontal arm 25 and engage theshoulder or 11p-turned ond 26 at their inner edges, to limit the overlapand serve as a guide for ganging the same. 'The top fold of the rim litsover the body 28. l

With the parts arranged as indicated in 3 of the drawings, the properoverlap will be insured and the stitching of the rim to the collar willbe facilitated. In fact, it

is possible to eliminate the initial operation of stitching the partstogether with a thread since the Vgauge maintains the overlap uniform,By reason of the plate 21 being held up' by the spring 24, the spacebetween the overhanging gauge part or arni 25 and the table top 10 willaccommodate. heavy thicknesses of material and` still allow thenecessary downward movement to prevent injury or bending of the gaugeparts and to bring the plies of material together so that they will befirmly brought in contact when stitched by the thong. lVhile the deviceis described for use in connection with horse-collars, it is notrestricted to this use but as a special adjunct, the awl carrier or barI is provided with beveled or cutaway corners as indicated at 1li and 15to accomiodate a considerable thickness of material which is generallypresent at the throat portion of the collar; It should also be notedthat the lower fold of the rim 29 is prevented from riding up over thegauge portion 19 by the inner edge 33 of the curved depending frontportion 27, this feature serving to further maintain the' overlap andstitching uniform. By this device, the rim and body can be stitchedtogether by the thong without preliminary stitching, thus greatlyincreasing quantity production and reducing cost of manufacture.

It is believed that the foregoing conveys a clear understanding of theobjects prefaced above and while I have illustrated but a single workingembodiment it should be understood Vthat changes might be made indetails of construction without departing from the spirit and scope ofthe invention as expressed in the appended claims, in which- I claim:

lill

1. In combination with'a thong sewingV n'iachine comprising a table, andan awl carrier provided with an awl, a gauge coin.-

prising a plate attached to the table at one side and having ahorizontal portion extending over the table to provide a shoulder facingin one direction, and an overhanging part spaced above the table andabove said horizontal portion and provided ,with an upturned end formingan oppositely facing shoulder, and a downwardly and forwardly extendingpart forming a shoulder facing in the same direction as the firstshoulder.

2. In combination with -a thong sewing machine comprising a table, andan awl carrier provided with an awl, a. gauge comprising a plateattached to the table at one side and having a horizontal portionextending over the table to provide a shoulder facing in one direction,and an overhanging part spaced above the table and above said horizontalportion and provided with an upturned end forming an oppositely facingshoulder, and a downwardly and forwardly extending part forming ashoulder facing in the same direction as the first shoulder, saidoverhanging part having a portion thereof slidably mounted on the plateat one side of the table for vertical movement, and means to normallymaintain said horizontal portion elevatedy and adapted to permit thesame to be depressed.

3. In a gauge attachment of the class desf'ribed, a main attaching parthaving a horizontal portion forming a shoulder facing in one direction,a second part carried by the attac-hing part and having an overhangingportion extending above and be- `vond the horizontal portion, the latterproviding a shoulder at its free end facing in the opposite directionfrom the first shoulder, and a forwardly and downwardly curved portionprovided on said second named part and having its inner edge facing inthe same direction as the first shoulder and substantially in alignmenttherewith.

Ll. A gauge for thong sewing machines having a table with a frontshoulder and a sloping side, a main plate attached to the side andhaving a cutout forward corner and a horizontal head part extendingpartly over the table, a second plate mounted on the main plate andhaving an overhanging part extending over and spaced above the tablebeyond the horizontal part, said overhangin@V part having an upturnedfree end and a forwardly and downwardly extending portion, the inneredge of which is adapted to guide the edge of the lower fold of a collarrim in conjunction with the inner edge of the horizontal Vpart while thecollar rim is resting on the table and has the upper fold thereof abovethe upturned end of said overhanging part, said overhanging part alsobeing arranged to have plies of a collar body rest thereon against theupturned end thereof to maintain the same in uniform overlapped relationwith said collar rim while being sewed.

5. In a sewing machine comprising a table, a presser foot operating oversaid table, and a needle operating mechanism, a gauge comprising a mainplate fixed to said table and providing a shoulder on top of said tablefacing in one direction to gauge and guide the edge of one piece ofmaterial to be sewed, and a second plate movably mounted with respect tosaid main plate Vand having a gauging and guiding portion projectingover said table providing a shoulder facing in the opposite directionfrom the first shoulder to gauge and guide the edge of another piece orpieces of material to be sewed to the first piece, said gauging andguiding portion being normally resiliently held in elevated relationrelative to said table to permit the passage therebeneath of the firstmentioned piece of ma* terialv to be sewed but being disposed beneathand in spaced relation to said presser foot whereby to permit theguiding of a fold of the first mentioned piece of material between thepresser foot and the second men tioned piece of material,said guidingand gauging portion of said second named plate being arranged to bedepressed in the operation of the presser foot substantially as described.

6. In a sewing machine as set forth in claim 5, the provision of anauxiliary gauging and guiding part for the first mentioned piece ofmaterial to be sewed, disposed sub'- stantially in alignment with thefirst named shoulder but spaced with respect thereto l substantially asdescribed.

HENRY B. OLSON.

